However the Court of Arbitration for Sport (CAS) has rejected Prince Ali bin al Hussein’s protest, in which he wanted FIFA to use transparent voting booths for Friday’s election.

“The request for provisional measures has been rejected,” a statement from the Lausanne-based court said.

Prince Ali's lawyers said they had requested a suspension to the election - setting up a legal race to resolve the issue before the vote can take place.

Prince Ali of Jordan, one of five candidates bidding to succeed Sepp Blatter, was seeking reassurances over the voting procedure for the election and had called for a postponement if his concerns were not addressed, Daily mail reports further.

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